1. Department of Computer Science & Information Engineering, National Taiwan University, Taipei, Taiwan
2. Department of Finance, National Taiwan University, Taipei, Taiwan
3. Department of Information Management and Finance, National Chiao Tung University, Hsinchu, Taiwan
4. Institute of Statistics, National Chiao Tung University, Hsinchu, Taiwan
5. Mercuries Life Insurance Co. Ltd., Taipei, Taiwan
6. Fubon Financial Holdings, Taipei, Taiwan